* [Bug 26942] New: radeon: screen distortion on resume
@ 2011-01-17 13:23 bugzilla-daemon
2011-01-17 18:29 ` [Bug 26942] " bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-17 13:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Summary: radeon: screen distortion on resume
Product: Drivers
Version: 2.5
Kernel Version: 2.6.37
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
ReportedBy: spoonb@exherbo.org
Regression: Yes
With v2.6.37, the radeon KMS drivers, and my RV730 I get a distorted screen
when resuming from suspend to ram. This does not occur with v2.6.36 and I have
bisected to this commit:
-----------------------------------------------------------------------------
>From ba032a58d1f320039e7850fb6e8651695c1aa571 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 4 Oct 2010 17:13:01 -0400
Subject: [PATCH] drm/radeon/kms: rework spread spectrum handling
This patch reworks spread spectrum handling to enable it
properly on lvds and DP/eDP links. It also fixes several
bugs in the old spread spectrum code.
-----------------------------------------------------------------------------
lspci -v
-----------------------------------------------------------------------------
03:00.0 VGA compatible controller: ATI Technologies Inc RV730 PRO [Radeon HD
4650] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited Device 9498
Flags: bus master, fast devsel, latency 0, IRQ 40
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at fb9e0000 (64-bit, non-prefetchable) [size=64K]
I/O ports at ee00 [size=256]
[virtual] Expansion ROM at fb900000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Kernel driver in use: radeon
03:00.1 Audio device: ATI Technologies Inc RV710/730
Subsystem: PC Partner Limited R700 Audio Device [Radeon HD 4000 Series]
Flags: bus master, fast devsel, latency 0, IRQ 44
Memory at fb9fc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Kernel driver in use: HDA Intel
-----------------------------------------------------------------------------
Let me know what else I can provide.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
@ 2011-01-17 18:29 ` bugzilla-daemon
2011-01-17 22:51 ` bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-17 18:29 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Alex Deucher <alexdeucher@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> 2011-01-17 18:29:07 ---
Please attach your xorg log, dmesg output, and a copy of your vbios. To get a
copy of your vbios:
(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
2011-01-17 18:29 ` [Bug 26942] " bugzilla-daemon
@ 2011-01-17 22:51 ` bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-17 22:51 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #2 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-17 22:51:26 ---
Created an attachment (id=43902)
--> (https://bugzilla.kernel.org/attachment.cgi?id=43902)
Xorg.log
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
2011-01-17 18:29 ` [Bug 26942] " bugzilla-daemon
2011-01-17 22:51 ` bugzilla-daemon
@ 2011-01-17 22:51 ` bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-17 22:51 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #3 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-17 22:51:57 ---
Created an attachment (id=43912)
--> (https://bugzilla.kernel.org/attachment.cgi?id=43912)
dmesg
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-17 22:52 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #4 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-17 22:52:22 ---
Created an attachment (id=43922)
--> (https://bugzilla.kernel.org/attachment.cgi?id=43922)
vbios rom
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-20 1:19 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Rafael J. Wysocki <rjw@sisk.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |florian@mickler.org,
| |maciej.rutecki@gmail.com,
| |rjw@sisk.pl
Blocks| |21782, 7216
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-20 23:22 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> 2011-01-20 23:22:26 ---
Can you dump regs 0x458 and 0x45c using avivotool after resume in the working
and non-working states?
(run as root):
avivotool regmatch 0x458
avivotool regmatch 0x45c
You can get avivotool here:
http://cgit.freedesktop.org/~airlied/radeontool/
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-20 23:29 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #6 from Alex Deucher <alexdeucher@gmail.com> 2011-01-20 23:29:07 ---
Can you also attach your dmesg after resume with this patch:
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index 4a20a62..c19ea3e 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -418,6 +418,8 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
memset(&args, 0, sizeof(args));
+ DRM_INFO("atombios_crtc_program_ss: %d\n", enable);
+
if (ASIC_IS_DCE5(rdev)) {
args.v3.usSpreadSpectrumAmountFrac = 0;
args.v3.ucSpreadSpectrumType = ss->type;
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-01-21 6:32 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #7 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-21 06:32:24 ---
Here are the dumps after resume:
v2.6.36.3 ( Working )
avivotool regmatch 0x458:
0x458 0x00000000 (0)
avivotool regmatch 0x45c:
0x45c 0x00000000 (0)
v2.6.37 ( Not Working)
avivotool regmatch 0x458:
0x458 0x00000000 (0)
avivotool regmatch 0x45c:
0x45c 0x00000000 (0)
And dmesg with the patch after resume is attached.
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From: bugzilla-daemon @ 2011-01-21 6:33 UTC (permalink / raw)
To: dri-devel
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--- Comment #8 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-21 06:33:42 ---
Created an attachment (id=44572)
--> (https://bugzilla.kernel.org/attachment.cgi?id=44572)
dmesg after resume with DRM_INFO patch
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* [Bug 26942] radeon: screen distortion on resume
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From: bugzilla-daemon @ 2011-01-24 5:26 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #9 from Alex Deucher <alexdeucher@gmail.com> 2011-01-24 05:25:57 ---
The changes in that patch should only affect those regs I asked you to dump,
but they are the same before and after. Can you attach the output of:
avivotool regs all
before and after?
If that gives you any problems, try just dumping the pll regs:
avivotool regmatch <reg>
where <reg> =
0x400
0x404
0x408
0x40c
0x410
0x414
0x418
0x41c
0x420
0x424
0x430
0x434
0x438
0x43c
0x440
0x444
0x448
0x44c
0x450
0x454
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From: bugzilla-daemon @ 2011-01-24 23:03 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #10 from kernelbug@sumoreor.com 2011-01-24 23:03:45 ---
Created an attachment (id=45042)
--> (https://bugzilla.kernel.org/attachment.cgi?id=45042)
avivotool regs all output for working and non working suspend
I am having the same problem on resume with kernel 2.6.37. I have attached the
output of avivotool regs all for a working resume from 2.6.36 and a non-working
resume from 2.6.37. Happy to get you anything else you need.
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From: bugzilla-daemon @ 2011-01-27 3:26 UTC (permalink / raw)
To: dri-devel
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--- Comment #11 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-27 03:26:19 ---
Created an attachment (id=45232)
--> (https://bugzilla.kernel.org/attachment.cgi?id=45232)
regs before resume
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From: bugzilla-daemon @ 2011-01-27 3:26 UTC (permalink / raw)
To: dri-devel
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--- Comment #12 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-27 03:26:45 ---
Created an attachment (id=45242)
--> (https://bugzilla.kernel.org/attachment.cgi?id=45242)
regs after resume
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From: bugzilla-daemon @ 2011-01-27 3:27 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #13 from Brett Witherspoon <spoonb@exherbo.org> 2011-01-27 03:27:23 ---
Regs before and after resume ( v2.6.37 ) attached.
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From: bugzilla-daemon @ 2011-02-02 18:18 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #14 from Alex Deucher <alexdeucher@gmail.com> 2011-02-02 18:18:13 ---
What does the distortion look like? Flickering display? garbage on screen?
Can you get a picture?
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
` (14 preceding siblings ...)
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From: bugzilla-daemon @ 2011-02-02 19:06 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #15 from Alex Deucher <alexdeucher@gmail.com> 2011-02-02 19:06:27 ---
I've narrowed it down to a set of possible registers. Can you try manually
setting the following registers after resume and let me know which, if any, fix
the problem?
pll controls:
avivotool regset 0x468 0x00000002
avivotool regset 0x46c 0x00000002
uniphy0:
avivotool regset 0x7688 0x19011400
avivotool regset 0x7698 0x10101040
uniphy3:
avivotool regset 0x7aa8 0x19011400
avivotool regset 0x7ab8 0x10101040
uniphy links:
avivotool regset 0x7f20 0x08080100
avivotool regset 0x7f24 0x08080100
Also, it appears you are using two monitors, are both distorted after resume or
just one?
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 19:57 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #16 from Brett Witherspoon <spoonb@exherbo.org> 2011-02-02 19:57:05 ---
Created an attachment (id=46082)
--> (https://bugzilla.kernel.org/attachment.cgi?id=46082)
Both monitors
The distortion looks like horizontal lines with flickering. I attached some
pictures for you. It occurs on both monitors.
However, the first pll control restores the image:
avivotool regset 0x468 0x00000002
OLD: 0x468 (0468) 0x00000006 (6)
NEW: 0x468 (0468) 0x00000002 (2)
The others don't appear to have any effect.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 19:58 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #17 from Brett Witherspoon <spoonb@exherbo.org> 2011-02-02 19:58:15 ---
Created an attachment (id=46092)
--> (https://bugzilla.kernel.org/attachment.cgi?id=46092)
Single Monitor
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 20:45 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #18 from kernelbug@sumoreor.com 2011-02-02 20:45:43 ---
The first pll control restores the image for me as well. I am using the laptop
screen (LVDS) and an external LCD. The distortion occurs only on the laptop
screen after resume.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 21:05 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #19 from Brett Witherspoon <spoonb@exherbo.org> 2011-02-02 21:05:50 ---
I am sure the logs indicate this, but in case it is relevant I am using the
DVI-0 and HDMI-0 connectors for the monitors.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 22:00 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #20 from Alex Deucher <alexdeucher@gmail.com> 2011-02-02 21:59:58 ---
Thanks. I see what's going on now, but I don't see how that commit could be the
one at fault. I suspect in some s/r cases the registers retained the old state
so the bug was not exhibited. I should have a patch to test soon.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
` (20 preceding siblings ...)
2011-02-02 22:00 ` bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-02 22:32 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #21 from Alex Deucher <alexdeucher@gmail.com> 2011-02-02 22:32:43 ---
Created an attachment (id=46142)
--> (https://bugzilla.kernel.org/attachment.cgi?id=46142)
fix bios scratch reg settings
This patch should fix the problem. Although I don't understand why this was
never an issue before...
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
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24 siblings, 0 replies; 26+ messages in thread
From: bugzilla-daemon @ 2011-02-03 0:25 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
--- Comment #22 from Brett Witherspoon <spoonb@exherbo.org> 2011-02-03 00:25:35 ---
OK, that patch does fix the problem. Thank you.
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
` (22 preceding siblings ...)
2011-02-03 0:25 ` bugzilla-daemon
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24 siblings, 0 replies; 26+ messages in thread
From: bugzilla-daemon @ 2011-02-03 18:50 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Rafael J. Wysocki <rjw@sisk.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |PATCH_ALREADY_AVAILABLE
--- Comment #23 from Brett Witherspoon <spoonb@exherbo.org> 2011-02-03 00:46:29 ---
This is probably unrelated but I do have some sluggish response when switching
to overview mode with mutter/gnome-shell (r600g). Restarting mutter fixes it,
so this seems to be an in issue with mutter/gnome-shell so I will report it
there.
--- Comment #24 from Alex Deucher <alexdeucher@gmail.com> 2011-02-03 00:55:08 ---
I've sent the patch to Dave for 2.6.38 and 2.6.37 stable. The gnome-shell
problem sounds like a userspace issue; either a bug in mutter or a bug in the
3D driver; probably not kernel related.
--- Comment #25 from Rafael J. Wysocki <rjw@sisk.pl> 2011-02-03 18:50:23 ---
Handled-By : Alex Deucher <alexdeucher@gmail.com>
Patch : https://bugzilla.kernel.org/attachment.cgi?id=46142
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* [Bug 26942] radeon: screen distortion on resume
2011-01-17 13:23 [Bug 26942] New: radeon: screen distortion on resume bugzilla-daemon
` (23 preceding siblings ...)
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@ 2011-02-12 23:19 ` bugzilla-daemon
24 siblings, 0 replies; 26+ messages in thread
From: bugzilla-daemon @ 2011-02-12 23:19 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Rafael J. Wysocki <rjw@sisk.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
Resolution|PATCH_ALREADY_AVAILABLE |CODE_FIX
--- Comment #26 from Rafael J. Wysocki <rjw@sisk.pl> 2011-02-12 23:19:20 ---
Fixed by commit 87364760de5d631390c478fcbac8db1b926e0adf .
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